@NaveenSagar  I think I know your issue.  You can encounter unexpected result when you do you use the correct simpleDateFormat.   You are using below: ${now():format('YYYYMMddHHmmss')}  It should be: ${now():format('yyyyMMddHHmmss')} NiFi uses Java Date patterns: https://docs.oracle.com/javase/7/docs/api/java/text/SimpleDateFormat.html "y" is used for year "Y" is used for Week year Fixing your date format should prevent you from seeing issue in the future. Please help our community grow. If you found any of the suggestions/solutions provided helped you with solving your issue or answering your question, please take a moment to login and click "Accept as Solution" on one or more of them that helped. Thank you, Matt     ... View more